Jim Caviezel John Reese Actor Michael Emerson Harold Finch Actor Taraji P. Henson Joss Carter Actor Kevin Chapman Lionel Fusco Actor Sarah Shahi Sameen Shaw Actor Amy Acker Root Actor Robert John Burke Officer Patrick Simmons Guest Star Al Sapienza Detective Raymond Terney Guest Star Morgan Spector Peter Yogorov Guest Star Brian Wiles Officer Mike Laskey Guest Star Danielle Kotch Genrika Zhirova Guest Star Patrick Murney Tremors Guest Star Joseph J. Parks Vadim Loginov Guest Star Ava Szymanski Sameen Guest Star Stephen Tyrone Williams Joseph Kent Guest Star Jun Naito Murakami Guest Star Gregory Wooddell Eric Mathers Guest Star Marja Harmon EMT Guest Star Robert C. Kirk Jerry Guest Star J.J. Abrams Executive Producer Bryan Burk Executive Producer Jonathan Nolan Executive Producer David Semel Executive Producer Greg Plageman Executive Producer David Slack Writer Kenneth Fink Director